Mathematics, 16.07.2019 00:30 ashley2816
In past years, the average time that it takes for a woman to complete the san francisco marathon was 4.62 hours. this year the average time for the 3845 women who finished the sf marathon was 4.59 hours with a standard deviation of 1.11 hours. can it be concluded that this years average time for women to finish the sf marathon is statistically significantly less than the past years' average time?
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In past years, the average time that it takes for a woman to complete the san francisco marathon was...
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